Can we use stored procedure in a query?

Can we use stored procedure in a query?

Stored procedures are typically executed with an EXEC statement. However, you can execute a stored procedure implicitly from within a SELECT statement, provided that the stored procedure returns a result set.

How do I get the results of a SQL stored procedure?

You can use the return statement inside a stored procedure to return an integer status code (and only of integer type). By convention a return value of zero is used for success. If no return is explicitly set, then the stored procedure returns zero. You should use the return value for status codes only.

Can we call procedure in SELECT query?

You cannot call a procedure in a select statement, because it does not return anything.

Can we use stored procedure in SELECT statement in Oracle?

Because it is a procedure we cannot use it in a SELECT statement; we need to wrap it in a function. This function just calls the stored procedure.

What are the advantages of stored procedure?

Advantages of Stored Procedures

• To help you build powerful database applications, stored procedures provide several advantages including better performance, higher productivity, ease of use, and increased scalability.
• Additionally, stored procedures enable you to take advantage of the computing resources of the server.

How can I use results from one stored procedure in another stored procedure?

If you want to return some select statement from your stored procedure, and want to use these values, you can either hold them ia temp table or simply uses as a select query. This will set the two output params from MyStoredProcedure and also insert the values that you pass from MyStoredProcedure as a select statement.

How do you execute a stored procedure in a stored procedure?

To execute a stored procedure Right-click the user-defined stored procedure that you want and click Execute Stored Procedure. In the Execute Procedure dialog box, specify a value for each parameter and whether it should pass a null value.

What is the difference between a stored procedure and a function?

In a function, it is mandatory to use the RETURNS and RETURN arguments, whereas in a stored procedure is not necessary. In few words, a stored procedure is more flexible to write any code that you want, while functions have a rigid structure and functionality.

How do I store select query results in variable in PL SQL?

PL/SQL SELECT INTO examples

1. First, declare a variable l_customer_name whose data type anchors to the name columns of the customers table.
2. Second, use the SELECT INTO statement to select value from the name column and assign it to the l_customer_name variable.
3. Third, show the customer name using the dbms_output.